Home / 211,825.48-317,872.16-118,392.52

Finding the Fourth Proportional to 211,825.48, 317,872.16 and 118,392.52

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Solution

The fourth proportional to 211,825.48, 317,872.16 and 118,392.52 is: 177,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,825.48 : 317,872.16 = 118,392.52 : x
  2. Step 2: Convert to fraction form
    211,825.48/317,872.16 = 118,392.52/x
  3. Step 3: Cross multiply
    211,825.48x = 317,872.16 × 118,392.52
  4. Step 4: Simplify right side
    211,825.48x = 37,633,686,060.24
  5. Step 5: Solve for x
    x = 37,633,686,060.24/211,825.48
  6. Step 6: Final answer
    x = 177,663.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.